v3.25.2
Basis of Presentation (Narrative) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Assets held in rabbi trusts $ 237 $ 233
Fair value of total long term debt, excluding finance lease liabilities 2,690 3,110
Fair value of current portion of long-term debt, excluding finance lease liabilities   $ 497
Senior Notes Due 2025, 3.844% [Member] | Senior Notes    
Debt Instrument [Line Items]    
Long-term Debt $ 500  
Debt Instrument, Interest Rate, Stated Percentage 3.844%